<div class="win_right">
	<a class="erwei" href=""><span>APP下载</span></a>
	<a class="kefu" href="http://wpa.qq.com/msgrd?v=3&uin=0000&site=qq&menu=yes" rel="nofollow"><span>联系客服</span></a>
	<a class="to-top" href=""><span>返回顶部</span></a>
</div>
<style type="text/css">
	.win_right{z-index: 200000;}
</style>
<script>
	$(function(){
		// 客服窗口
		if($(window).width()>=751){
			$('.win_right').hover(
				function(){$(this).stop(true,false).animate({right:"0"})},
				function(){$(this).stop(true,false).animate({right:"-90px"})}
			);
		};
		$('.to-top').click(function(){
			$("html,body").animate({scrollTop:0},500);
			return false;
		});
	})
</script>